Lanyun Zhang

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Due to the consistent growing number of tourists around the world and the increasing use of online services to plan trips, this paper investigates the group tourists' trip planning requirements and how technology might support this group planning process. We investigated 12 groups' real trip planning behaviour and requirements through a diary study and a(More)
Novelty detection in news events has long been a difficult problem. A number of models performed well on specific data streams but certain issues are far from being solved, particularly in large data streams from the WWW where unpredictability of new terms requires adaptation in the vector space model. We present a novel event detection system based on the(More)
Various studies have proposed methods to help a group of people making vacation plans. But most of these studies focused on explicit information acquisition. With an increasing tendency for group tourists using digital information applications for group communication more frequently instead of face-to-face interactions, this thesis aims to explore how to(More)
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